I use these sites to follow BTC and main altcoins prices and find them very handy:
https://bitcoinwisdom.com
https://cryptowat.ch
https://coinmarketcap.com
If you need to know in some other currency - you can always convert and check the rate at https://currencio.co
https://bitcoinwisdom.com
https://cryptowat.ch
https://coinmarketcap.com
If you need to know in some other currency - you can always convert and check the rate at https://currencio.co
Don't forget https://coincaps.net
The correct answer is that 1 Bitcoin is worth what someone will give you for it.
